CVE-2026-31196

Estado: Pendiente de análisisAlta (8.8)—

OS command injection vulnerability in the traceroute diagnostic handler in /bin/httpd_clientside in ALTICE LABS / SFR France GR140DG Fibre Router with firmware 3GN8020801R13, 3GN8020802R0A, or 3GN8020803R0A inserts unsanitized user input into a system() call, allowing authenticated remote attackers to execute arbitrary commands as root via crafted destAddr parameters using shell command substitution.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 2.27%
Percentil entre todas las CVEs puntuadas: 82
Fecha de la puntuación: 5/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement90 %
Impacto principalT1059 Command and Scripting Interpreterexecution95 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation85 %

Inyección de comandos OS en servicio remoto autenticado (PR:L) sin interacción. Ejecución como root mediante command substitution en parámetro destAddr del handler traceroute, permitiendo escalada de privilegios.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Threat Intelligence Program Privileged Account Management Execution Prevention Disable or Remove Feature or Program Application Isolation and Sandboxing Exploit Protection

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Altice Labs — Gr140dg^AI

CWE

CWE-78

Referencias

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-31196",
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          "id": "CVE-2026-31196",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-05-06T18:26:20.793993Z"
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          "integrityImpact": "HIGH",
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          "attackComplexity": "LOW",
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          "versions": [
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  "published": "2026-05-05T16:16:11.290",
  "references": [
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      "url": "https://www.alticelabs.com",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.sfr.fr",
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    {
      "url": "https://xerod.ai/advisories/XEROD-2026-0002",
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      "value": "OS command injection vulnerability in the traceroute diagnostic handler in /bin/httpd_clientside in ALTICE LABS / SFR France GR140DG Fibre Router with firmware 3GN8020801R13, 3GN8020802R0A, or 3GN8020803R0A inserts unsanitized user input into a system() call, allowing authenticated remote attackers to execute arbitrary commands as root via crafted destAddr parameters using shell command substitution."
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  ],
  "lastModified": "2026-06-17T10:33:25.987",
  "sourceIdentifier": "cve@mitre.org"
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